html,
body {
  height: 100%;
  background-color: #fff;
}
ul,
ol,
li {
  list-style: none;
  margin: 0;
  padding: 0;
}
.lt-layout {
  position: relative;
  max-width: 640px;
  min-width: 320px;
  height: 100%;
  border: 1px solid red;
  margin: 0 auto;
  padding: 45px 0 50px 0;
}
.lt-layout .lt-head {
  width: 100%;
  height: 45px;
  background-color: #006699;
  position: absolute;
  top: 0;
  left: 0;
}
.lt-layout .lt-head a {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 45px;
  height: 45px;
  color: #fff;
  line-height: 45px;
  text-align: center;
}
.lt-layout .lt-head .lt-search {
  left: auto;
  right: 0;
}
.lt-layout .lt-head .lt-title {
  width: 100%;
  height: 45px;
  padding: 0 45px;
  text-align: center;
  line-height: 45px;
  color: #fff;
  margin: 0;
}
.lt-layout .lt-main {
  position: relative;
  height: 100%;
}
.lt-layout .lt-main .lt-nav {
  padding: 5px;
}
.lt-layout .lt-main .lt-nav li {
  width: 33.33%;
  float: left;
}
.lt-layout .lt-main .lt-nav li a img {
  width: 100%;
  display: block;
}
.lt-layout .lt-main .lt-product {
  padding: 5px;
}
.lt-layout .lt-main .lt-product .item {
  width: 49%;
  float: left;
  color: #ccc;
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin-bottom: 10px;
}
.lt-layout .lt-main .lt-product .item img {
  width: 100%;
}
.lt-layout .lt-main .lt-product .item .new {
  color: red;
}
.lt-layout .lt-main .lt-product .item .old {
  text-decoration: line-through;
}
.lt-layout .lt-main .lt-product .item:nth-child(even) {
  float: right;
}
.lt-layout .lt-footer {
  width: 100%;
  height: 50px;
  background-color: #006699;
  position: absolute;
  left: 0;
  bottom: 0;
}
.lt-layout .lt-footer ul li {
  padding-top: 5px;
  width: 25%;
  height: 50px;
  float: left;
  text-align: center;
}
.lt-layout .lt-footer ul li a {
  color: #fff;
}
.lt-layout .lt-footer ul li p {
  color: #fff;
  margin-bottom: 0;
}
.lt-layout .lt-footer ul li.current a,
.lt-layout .lt-footer ul li.current p {
  color: #daa520;
}
